'use client';

import { useState, useEffect } from 'react';

export default function ThemeToggle() {
  const [theme, setTheme] = useState('corporate');
  
  useEffect(() => {
    const savedTheme = localStorage.getItem('theme') || 'corporate';
    setTheme(savedTheme);
  }, []);

  const toggleTheme = () => {
    const newTheme = theme === 'corporate' ? 'business' : 'corporate';
    setTheme(newTheme);
    localStorage.setItem('theme', newTheme);
    document.documentElement.setAttribute('data-theme', newTheme);
  };

  return (
    <label
      className='swap swap-rotate'
      title={theme === 'corporate' ? '切换为暗色主题' : '切换为亮色主题'}>
      <input
        type='checkbox'
        className='theme-controller'
        value='business'
        checked={theme === 'business'}
        onChange={toggleTheme}
      />
      <svg
        className='swap-on fill-current w-5 h-5'
        xmlns='http://www.w3.org/2000/svg'
        viewBox='0 0 24 24'>
        <path d='M5.64,17l-.71.71a1,1,0,0,0,0,1.41,1,1,0,0,0,1.41,0l.71-.71A1,1,0,0,0,5.64,17ZM5,12a1,1,0,0,0-1-1H3a1,1,0,0,0,0,2H4A1,1,0,0,0,5,12Zm7-7a1,1,0,0,0,1-1V3a1,1,0,0,0-2,0V4A1,1,0,0,0,12,5ZM5.64,7.05a1,1,0,0,0,.7.29,1,1,0,0,0,.71-.29,1,1,0,0,0,0-1.41l-.71-.71A1,1,0,0,0,4.93,6.34Zm12,.29a1,1,0,0,0,.7-.29l.71-.71a1,1,0,1,0-1.41-1.41L17,5.64a1,1,0,0,0,0,1.41A1,1,0,0,0,17.66,7.34ZM21,11H20a1,1,0,0,0,0,2h1a1,1,0,0,0,0-2Zm-9,8a1,1,0,0,0-1,1v1a1,1,0,0,0,2,0V20A1,1,0,0,0,12,19ZM18.36,17A1,1,0,0,0,17,18.36l.71.71a1,1,0,0,0,1.41,0,1,1,0,0,0,0-1.41ZM12,6.5A5.5,5.5,0,1,0,17.5,12,5.51,5.51,0,0,0,12,6.5Zm0,9A3.5,3.5,0,1,1,15.5,12,3.5,3.5,0,0,1,12,15.5Z' />
      </svg>
      <svg
        className='swap-off fill-current w-5 h-5'
        xmlns='http://www.w3.org/2000/svg'
        viewBox='0 0 24 24'>
        <path d='M21.64,13a1,1,0,0,0-1.05-.14,8.05,8.05,0,0,1-3.37.73A8.15,8.15,0,0,1,9.08,5.49a8.59,8.59,0,0,1,.25-2A1,1,0,0,0,8,2.36,10.14,10.14,0,1,0,22,14.05,1,1,0,0,0,21.64,13Zm-9.5,6.69A8.14,8.14,0,0,1,7.08,5.22v.27A10.15,10.15,0,0,0,17.22,15.63a9.79,9.79,0,0,0,2.1-.22A8.11,8.11,0,0,1,12.14,19.73Z' />
      </svg>
    </label>
  );
}
